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ULTRAVENT 25 millibar safety valve

Product information "ULTRAVENT 25 millibar safety valve"

A unique, precise and certified valve with numerous applications for millibar-pressure gases. All safety valves are 100% tested.

Success factors / unique selling points:
  • Regulates pressure precisely in the millibar range in either direction
  • Ideal as a back-pressure regulator, pressure regulator, safety valve or vacuum breaker
  • Exceptionally precise opening and closing behaviour
  • TÜV type-tested in accordance with DIN EN ISO 4126-1
  • The pressure setting you have selected is TÜV-tested and certified
  • Proven reliability over > 100,000 cycles
  • Very low leakage rates
Special versions are not available in the shop, but can be supplied on request:
  • Operating temperatures up to 270°C
  • FDA-approved materials, suitable for medical applications
  • and much more...

If you have any specific requirements or special requests, please contact us – we’ll be happy to help!

Blow-off flow rate: See data sheet (download area)
Certification: TÜV component test according to DIN EN ISO 4126-1 (1.45-7.25 psi)
Certification (no filter | 0.07-1.44 psi): TÜV setting certificate for opening pressure
Certification (no filter | 1.45-7.25 psi): Safety valve DIN EN ISO 4126-1
Certification (with filter | 0.07-7.25 psi): Control/pressure holding valve with TÜV setting certificate for opening pressure
Connection outlet: 3/4" NPT (female thread)
Gas types: All technical gases
Housing material: Stainless steel (1.4404)
Inlet connection: 3/4" NPT (female thread)
Inlet filter: Yes (with inlet filter no component test according to DIN EN ISO 4126-1)
O-ring material: EPDM, NBR, other material on request
Opening pressure: 0.07-7.25 psi
Outlet strainer: Yes (with NPT option, an inch thread at the outlet)
Seal ring material: FKM, other material on request
Spring material: Stainless steel (1.4310)
Temperature range: -22°F to 212°F, Up to 518°F on request
Valve disc material: Stainless steel (1.4404)
Weight: 1.06 lb
Wrench size: 41 mm
Data sheet

User manual

TÜV certificate (DIN EN ISO 4126-1)

Important note: The TÜV certificate is only valid for variants without a filter and with an opening pressure between 100 and 500 mbar!